Home / 57,837,997.91-86,753,941.32-18,971,330.25

Finding the Fourth Proportional to 57,837,997.91, 86,753,941.32 and 18,971,330.25

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Solution

The fourth proportional to 57,837,997.91, 86,753,941.32 and 18,971,330.25 is: 28,455,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,837,997.91 : 86,753,941.32 = 18,971,330.25 : x
  2. Step 2: Convert to fraction form
    57,837,997.91/86,753,941.32 = 18,971,330.25/x
  3. Step 3: Cross multiply
    57,837,997.91x = 86,753,941.32 × 18,971,330.25
  4. Step 4: Simplify right side
    57,837,997.91x = 1,645,837,671,270,840.75
  5. Step 5: Solve for x
    x = 1,645,837,671,270,840.75/57,837,997.91
  6. Step 6: Final answer
    x = 28,455,993.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.